QXcbScreen::QXcbScreen(QXcbConnection *connection, xcb_screen_t *screen, int number)
: QXcbObject(connection)
, m_screen(screen)
, m_number(number)
{
printf ("\n");
printf ("Information of screen %d:\n", screen->root);
printf (" width.........: %d\n", screen->width_in_pixels);
printf (" height........: %d\n", screen->height_in_pixels);
printf (" depth.........: %d\n", screen->root_depth);
printf (" white pixel...: %x\n", screen->white_pixel);
printf (" black pixel...: %x\n", screen->black_pixel);
printf ("\n");
const quint32 mask = XCB_CW_EVENT_MASK;
const quint32 values[] = {
// XCB_CW_EVENT_MASK
XCB_EVENT_MASK_ENTER_WINDOW
| XCB_EVENT_MASK_LEAVE_WINDOW
| XCB_EVENT_MASK_PROPERTY_CHANGE
};
xcb_change_window_attributes(xcb_connection(), screen->root, mask, values);
xcb_generic_error_t *error;
xcb_get_property_reply_t *reply =
xcb_get_property_reply(xcb_connection(),
xcb_get_property(xcb_connection(), false, screen->root,
atom(QXcbAtom::_NET_SUPPORTING_WM_CHECK),
XCB_ATOM_WINDOW, 0, 1024), &error);
if (reply && reply->format == 32 && reply->type == XCB_ATOM_WINDOW) {
xcb_window_t windowManager = *((xcb_window_t *)xcb_get_property_value(reply));
if (windowManager != XCB_WINDOW_NONE) {
xcb_get_property_reply_t *windowManagerReply =
xcb_get_property_reply(xcb_connection(),
xcb_get_property(xcb_connection(), false, windowManager,
atom(QXcbAtom::_NET_WM_NAME),
atom(QXcbAtom::UTF8_STRING), 0, 1024), &error);
if (windowManagerReply && windowManagerReply->format == 8 && windowManagerReply->type == atom(QXcbAtom::UTF8_STRING)) {
m_windowManagerName = QString::fromUtf8((const char *)xcb_get_property_value(windowManagerReply), xcb_get_property_value_length(windowManagerReply));
printf("Running window manager: %s\n", qPrintable(m_windowManagerName));
} else if (error) {
connection->handleXcbError(error);
free(error);
}
free(windowManagerReply);
}
} else if (error) {
connection->handleXcbError(error);
free(error);
}
free(reply);
m_syncRequestSupported = m_windowManagerName != QLatin1String("KWin");
}
static xcb_window_t xdndProxy(QXcbConnection *c, xcb_window_t w)
{
xcb_window_t proxy = XCB_NONE;
xcb_get_property_cookie_t cookie = Q_XCB_CALL2(xcb_get_property(c->xcb_connection(), false, w, c->atom(QXcbAtom::XdndProxy),
XCB_ATOM_WINDOW, 0, 1), c);
xcb_get_property_reply_t *reply = xcb_get_property_reply(c->xcb_connection(), cookie, 0);
if (reply && reply->type == XCB_ATOM_WINDOW)
proxy = *((xcb_window_t *)xcb_get_property_value(reply));
free(reply);
if (proxy == XCB_NONE)
return proxy;
// exists and is real?
cookie = Q_XCB_CALL2(xcb_get_property(c->xcb_connection(), false, proxy, c->atom(QXcbAtom::XdndProxy),
XCB_ATOM_WINDOW, 0, 1), c);
reply = xcb_get_property_reply(c->xcb_connection(), cookie, 0);
if (reply && reply->type == XCB_ATOM_WINDOW) {
xcb_window_t p = *((xcb_window_t *)xcb_get_property_value(reply));
if (proxy != p)
proxy = 0;
} else {
proxy = 0;
}
free(reply);
return proxy;
}
EAPI int
ecore_x_window_prop_card32_list_get(Ecore_X_Window win,
Ecore_X_Atom atom,
unsigned int **list)
{
xcb_get_property_cookie_t cookie;
xcb_get_property_reply_t *reply;
int num = -1;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if (list) *list = NULL;
cookie = xcb_get_property_unchecked(_ecore_xcb_conn, 0, win, atom,
XCB_ATOM_CARDINAL, 0, 0x7fffffff);
reply = xcb_get_property_reply(_ecore_xcb_conn, cookie, NULL);
if (!reply) return -1;
if ((reply->type != XCB_ATOM_CARDINAL) || (reply->format != 32))
num = -1;
else if ((reply->value_len == 0) || (!xcb_get_property_value(reply)))
num = 0;
else
{
num = reply->value_len;
if (list)
{
unsigned int *val;
void *data;
int i = 0;
val = malloc(num * sizeof(unsigned int));
if (!val)
{
free(reply);
return num;
}
data = xcb_get_property_value(reply);
for (i = 0; i < num; i++)
val[i] = ((unsigned long *)data)[i];
*list = val;
}
}
free(reply);
return num;
}
uint32_t get_wm_state(xcb_drawable_t win) {
xcb_get_property_reply_t *reply;
xcb_get_property_cookie_t cookie;
uint32_t *statep;
uint32_t state = 0;
cookie = xcb_get_property(conn, false, win, wm_state, wm_state, 0,
sizeof (int32_t));
reply = xcb_get_property_reply(conn, cookie, NULL);
if (NULL == reply) {
fprintf(stderr, "qtwm: Couldn't get properties for win %d\n", win);
return -1;
}
/* Length is 0 if we didn't find it. */
if (0 == xcb_get_property_value_length(reply)) {
goto bad;
}
statep = xcb_get_property_value(reply);
state = *statep;
bad:
free(reply);
return state;
}
void QXcbScreen::readXResources()
{
int offset = 0;
QByteArray resources;
while(1) {
xcb_get_property_reply_t *reply =
xcb_get_property_reply(xcb_connection(),
xcb_get_property_unchecked(xcb_connection(), false, screen()->root,
XCB_ATOM_RESOURCE_MANAGER,
XCB_ATOM_STRING, offset/4, 8192), NULL);
bool more = false;
if (reply && reply->format == 8 && reply->type == XCB_ATOM_STRING) {
resources += QByteArray((const char *)xcb_get_property_value(reply), xcb_get_property_value_length(reply));
offset += xcb_get_property_value_length(reply);
more = reply->bytes_after != 0;
}
if (reply)
free(reply);
if (!more)
break;
}
QList<QByteArray> split = resources.split('\n');
for (int i = 0; i < split.size(); ++i) {
const QByteArray &r = split.at(i);
int value;
if (xResource(r, "Xft.dpi:\t", &value))
m_forcedDpi = value;
else if (xResource(r, "Xft.hintstyle:\t", &value))
m_hintStyle = QFontEngine::HintStyle(value);
}
}
//! Process _NET_WM_STRUT reply and update fields
void Client::process_ewmh_strut(xcb_get_property_cookie_t gpc)
{
autofree_ptr<xcb_get_property_reply_t> gpr(
xcb_get_property_reply(g_xcb.connection, gpc, NULL)
);
if (!gpr) {
WARN << "Could not retrieve _NET_WM_STRUT for window";
m_ewmh_strut.clear();
return;
}
TRACE << *gpr;
if (gpr->type != XCB_ATOM_CARDINAL ||
gpr->format != 32 || gpr->length != 4)
{
WARN << "Could not retrieve _NET_WM_STRUT for window";
m_ewmh_strut.clear();
return;
}
uint32_t* strut = (uint32_t*)xcb_get_property_value(gpr.get());
m_ewmh_strut.valid = true;
m_ewmh_strut.left = strut[0];
m_ewmh_strut.right = strut[1];
m_ewmh_strut.top = strut[2];
m_ewmh_strut.bottom = strut[3];
INFO << "EWMH _NET_WM_STRUT of window " << window() << " is "
<< m_ewmh_strut;
}
/** Get a window state (WM_STATE).
* \param cookie The cookie.
* \return The current state of the window, or 0 on error.
*/
uint32_t
window_state_get_reply(xcb_get_property_cookie_t cookie, int* pStateFound)
{
/* This is a bug fixed in updated versions of awesome already */
/* setting the result to 0 maps to XCB_WM_STATE_WITHDRAWN which */
/* causes a problem in scan. The default value should be XCB_WM_STATE_NORMAL */
/* returning 0 inside pStateFound to indicate to the caller that */
/* it was not found */
uint32_t result = XCB_WM_STATE_NORMAL;
if (pStateFound){
*pStateFound = 0;
}
xcb_get_property_reply_t *prop_r;
if((prop_r = xcb_get_property_reply(globalconf.connection, cookie, NULL)))
{
if(xcb_get_property_value_length(prop_r)){
result = *(uint32_t *) xcb_get_property_value(prop_r);
if (pStateFound){
*pStateFound = 1;
}
}
p_delete(&prop_r);
}
return result;
}
//! Process _NET_WM_STATE reply and update fields
void Client::process_ewmh_state(xcb_get_property_cookie_t gpc)
{
autofree_ptr<xcb_get_property_reply_t> gpr(
xcb_get_property_reply(g_xcb.connection, gpc, NULL)
);
if (!gpr || gpr->type != XCB_ATOM_ATOM) {
INFO << "Could not retrieve _NET_WM_STATE for window";
return;
}
TRACE << *gpr;
m_state_sticky = false;
m_state_above = false;
m_state_fullscreen = false;
m_state_maximized_vert = false;
m_state_maximized_horz = false;
m_state_skip_taskbar = false;
m_state_skip_pager = false;
xcb_atom_t* atoms = (xcb_atom_t*)xcb_get_property_value(gpr.get());
int n = xcb_get_property_value_length(gpr.get()) / sizeof(xcb_atom_t);
// iterate and apply properties to window
for (int i = 0; i < n; ++i)
change_ewmh_state(atoms[i], EWMH_STATE_ADD);
}
void QXcbScreen::updateGeometry(xcb_timestamp_t timestamp)
{
if (connection()->hasXRandr()) {
xcb_randr_get_crtc_info_reply_t *crtc = xcb_randr_get_crtc_info_reply(xcb_connection(),
xcb_randr_get_crtc_info_unchecked(xcb_connection(), m_crtc, timestamp), NULL);
if (crtc) {
m_geometry = QRect(crtc->x, crtc->y, crtc->width, crtc->height);
m_availableGeometry = m_geometry;
free(crtc);
}
}
xcb_get_property_reply_t * workArea =
xcb_get_property_reply(xcb_connection(),
xcb_get_property_unchecked(xcb_connection(), false, screen()->root,
atom(QXcbAtom::_NET_WORKAREA),
XCB_ATOM_CARDINAL, 0, 1024), NULL);
if (workArea && workArea->type == XCB_ATOM_CARDINAL && workArea->format == 32 && workArea->value_len >= 4) {
// If workArea->value_len > 4, the remaining ones seem to be for virtual desktops.
// But QScreen doesn't know about that concept. In reality there could be a
// "docked" panel (with _NET_WM_STRUT_PARTIAL atom set) on just one desktop.
// But for now just assume the first 4 values give us the geometry of the
// "work area", AKA "available geometry"
uint32_t *geom = (uint32_t*)xcb_get_property_value(workArea);
QRect virtualAvailableGeometry(geom[0], geom[1], geom[2], geom[3]);
// Take the intersection of the desktop's available geometry with this screen's geometry
// to get the part of the available geometry which belongs to this screen.
m_availableGeometry = m_geometry & virtualAvailableGeometry;
}
free(workArea);
}
xcb_window_t find_focused_window(xcb_connection_t *conn, const xcb_window_t root) {
xcb_window_t result = XCB_NONE;
_init_net_active_window(conn);
xcb_get_property_reply_t *prop_reply = xcb_get_property_reply(
conn,
xcb_get_property_unchecked(
conn, false, root, _NET_ACTIVE_WINDOW, XCB_GET_PROPERTY_TYPE_ANY, 0, 1 /* word */),
NULL);
if (prop_reply == NULL) {
goto out;
}
if (xcb_get_property_value_length(prop_reply) == 0) {
goto out_prop;
}
if (prop_reply->type != XCB_ATOM_WINDOW) {
goto out_prop;
}
result = *((xcb_window_t *)xcb_get_property_value(prop_reply));
out_prop:
free(prop_reply);
out:
return result;
}
char *xcb_util_get_property(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t atom,
xcb_atom_t type, size_t size) {
xcb_get_property_cookie_t cookie;
xcb_get_property_reply_t *reply;
xcb_generic_error_t *err;
int reply_length;
char *content;
cookie = xcb_get_property(conn, 0, window, atom, type, 0, size);
reply = xcb_get_property_reply(conn, cookie, &err);
if (err != NULL) {
FREE(err);
return NULL;
}
if (reply == NULL || (reply_length = xcb_get_property_value_length(reply)) == 0) {
FREE(reply);
return NULL;
}
if (reply->bytes_after > 0) {
size_t adjusted_size = size + ceil(reply->bytes_after / 4.0);
FREE(reply);
return xcb_util_get_property(conn, window, atom, type, adjusted_size);
}
if (asprintf(&content, "%.*s", reply_length, (char *)xcb_get_property_value(reply)) < 0) {
FREE(reply);
return NULL;
}
FREE(reply);
return content;
}
//! Process WM_STATE reply and update fields
void Client::process_wm_state(xcb_get_property_cookie_t gpc)
{
// *** process WM_STATE property
autofree_ptr<xcb_get_property_reply_t> gpr(
xcb_get_property_reply(g_xcb.connection, gpc, NULL)
);
if (!gpr) {
WARN << "Could not retrieve WM_STATE for window";
m_wm_state = XCB_ICCCM_WM_STATE_NORMAL;
return;
}
TRACE << *gpr;
if (gpr->type != g_xcb.WM_STATE.atom ||
gpr->format != 32 || gpr->length != 2)
{
WARN << "Could not retrieve WM_STATE for window";
m_wm_state = XCB_ICCCM_WM_STATE_NORMAL;
return;
}
m_wm_state = (xcb_icccm_wm_state_t)(
*(uint32_t*)xcb_get_property_value(gpr.get())
);
INFO << "ICCCM WM_STATE of window " << window() << " is "
<< IcccmWmStateFormatter(m_wm_state);
}
/*
* Updates the WM_WINDOW_ROLE
*
*/
void window_update_role(i3Window *win, xcb_get_property_reply_t *prop, bool before_mgmt) {
if (prop == NULL || xcb_get_property_value_length(prop) == 0) {
DLOG("WM_WINDOW_ROLE not set.\n");
FREE(prop);
return;
}
char *new_role;
if (asprintf(&new_role, "%.*s", xcb_get_property_value_length(prop),
(char *)xcb_get_property_value(prop)) == -1) {
perror("asprintf()");
DLOG("Could not get WM_WINDOW_ROLE\n");
free(prop);
return;
}
FREE(win->role);
win->role = new_role;
LOG("WM_WINDOW_ROLE changed to \"%s\"\n", win->role);
if (before_mgmt) {
free(prop);
return;
}
run_assignments(win);
free(prop);
}
/*
* Find virtual roots (_NET_VIRTUAL_ROOTS)
*/
static xcb_window_t *
Find_Roots(xcb_connection_t * dpy, xcb_window_t root, unsigned int *num)
{
xcb_atom_t atom_virtual_root;
xcb_get_property_cookie_t prop_cookie;
xcb_get_property_reply_t *prop_reply;
xcb_window_t *prop_ret = NULL;
*num = 0;
atom_virtual_root = Get_Atom (dpy, "_NET_VIRTUAL_ROOTS");
if (atom_virtual_root == XCB_ATOM_NONE)
return NULL;
prop_cookie = xcb_get_property (dpy, False, root, atom_virtual_root,
XCB_ATOM_WINDOW, 0, 0x7fffffff);
prop_reply = xcb_get_property_reply (dpy, prop_cookie, NULL);
if (!prop_reply)
return NULL;
if ((prop_reply->value_len > 0) && (prop_reply->type == XCB_ATOM_WINDOW)
&& (prop_reply->format == 32)) {
int length = xcb_get_property_value_length (prop_reply);
prop_ret = malloc(length);
if (prop_ret) {
memcpy (prop_ret, xcb_get_property_value(prop_reply), length);
*num = prop_reply->value_len;
}
}
free (prop_reply);
return prop_ret;
}
/*
* Get X ID (array) property
*
* At most len items are returned in val.
* If the property was successfully fetched the number of items stored in
* val is returned, otherwise -1 is returned.
* Note: Return value 0 means that the property exists but has no elements.
*/
EAPI int
ecore_x_window_prop_xid_get(Ecore_X_Window win __UNUSED__,
Ecore_X_Atom atom __UNUSED__,
Ecore_X_Atom type __UNUSED__,
Ecore_X_ID *xids,
unsigned int len)
{
xcb_get_property_reply_t *reply;
int num = len;
reply = _ecore_xcb_reply_get();
if (!reply)
return -1;
if (reply->type == XCB_NONE)
num = 0;
else if (reply->format == 32)
{
if (reply->value_len < len)
num = xcb_get_property_value_length(reply);
if (xids)
memcpy(xids, xcb_get_property_value(reply), num);
}
return num;
} /* ecore_x_window_prop_xid_get */
void
property_update_net_wm_pid(client_t *c,
xcb_get_property_reply_t *reply)
{
bool no_reply = !reply;
if(no_reply)
{
xcb_get_property_cookie_t prop_c =
xcb_get_property_unchecked(globalconf.connection, false, c->window, _NET_WM_PID, XCB_ATOM_CARDINAL, 0L, 1L);
reply = xcb_get_property_reply(globalconf.connection, prop_c, NULL);
}
if(reply && reply->value_len)
{
uint32_t *rdata = xcb_get_property_value(reply);
if(rdata)
{
luaA_object_push(globalconf.L, c);
client_set_pid(globalconf.L, -1, *rdata);
lua_pop(globalconf.L, 1);
}
}
if(no_reply)
p_delete(&reply);
}
bool KWinKScreenHelperEffect::nativeEventFilter(const QByteArray &eventType, void *message, long int *result)
{
Q_UNUSED(result);
if (eventType != "xcb_generic_event_t") {
return false;
}
#ifdef HAVE_XCB
if (m_isValid && QX11Info::isPlatformX11()) {
auto e = static_cast<xcb_generic_event_t *>(message);
const uint8_t type = e->response_type & ~0x80;
if (type == XCB_PROPERTY_NOTIFY) {
auto *event = reinterpret_cast<xcb_property_notify_event_t *>(e);
if (event->window == QX11Info::appRootWindow()) {
if (event->atom != m_atom) {
return false;
}
auto cookie = xcb_get_property(QX11Info::connection(), false, QX11Info::appRootWindow(), m_atom, XCB_ATOM_CARDINAL, 0, 1);
QScopedPointer<xcb_get_property_reply_t, QScopedPointerPodDeleter> reply(xcb_get_property_reply(QX11Info::connection(), cookie, NULL));
if (reply.isNull() || reply.data()->value_len != 1 || reply.data()->format != uint8_t(32)) {
return false;
}
auto *data = reinterpret_cast<uint32_t *>(xcb_get_property_value(reply.data()));
if (!data) {
return false;
}
switch(*data) {
case 1:
m_state = FadingOutState;
break;
case 2:
m_state = FadedOutState;
if (m_running) {
Q_EMIT fadedOut();
}
break;
case 3:
m_state = FadingInState;
m_running = false;
m_abortTimer.stop();
break;
default:
m_state = NormalState;
m_running = false;
}
Q_EMIT stateChanged(m_state);
}
}
}
#else
Q_UNUSED(message);
#endif
return false;
}
QByteArray getSettings()
{
QXcbConnectionGrabber connectionGrabber(screen->connection());
int offset = 0;
QByteArray settings;
xcb_atom_t _xsettings_atom = screen->connection()->atom(QXcbAtom::_XSETTINGS_SETTINGS);
while (1) {
xcb_get_property_cookie_t get_prop_cookie =
xcb_get_property_unchecked(screen->xcb_connection(),
false,
x_settings_window,
_xsettings_atom,
_xsettings_atom,
offset/4,
8192);
xcb_get_property_reply_t *reply = xcb_get_property_reply(screen->xcb_connection(), get_prop_cookie, NULL);
bool more = false;
if (!reply)
return settings;
settings += QByteArray((const char *)xcb_get_property_value(reply), xcb_get_property_value_length(reply));
offset += xcb_get_property_value_length(reply);
more = reply->bytes_after != 0;
free(reply);
if (!more)
break;
}
return settings;
}
/*
* Updates the name by using WM_NAME (encoded in COMPOUND_TEXT). We do not
* touch what the client sends us but pass it to xcb_image_text_8. To get
* proper unicode rendering, the application has to use _NET_WM_NAME (see
* window_update_name()).
*
*/
void window_update_name_legacy(i3Window *win, xcb_get_property_reply_t *prop, bool before_mgmt) {
if (prop == NULL || xcb_get_property_value_length(prop) == 0) {
DLOG("WM_NAME not set (_NET_WM_NAME is what you want anyways).\n");
FREE(prop);
return;
}
/* ignore update when the window is known to already have a UTF-8 name */
if (win->uses_net_wm_name) {
free(prop);
return;
}
i3string_free(win->name);
win->name = i3string_from_utf8_with_length(xcb_get_property_value(prop),
xcb_get_property_value_length(prop));
LOG("WM_NAME changed to \"%s\"\n", i3string_as_utf8(win->name));
LOG("Using legacy window title. Note that in order to get Unicode window "
"titles in i3, the application has to set _NET_WM_NAME (UTF-8)\n");
win->name_x_changed = true;
if (before_mgmt) {
free(prop);
return;
}
run_assignments(win);
free(prop);
}
static void
weston_wm_get_selection_targets(struct weston_wm *wm)
{
struct x11_data_source *source;
struct weston_compositor *compositor;
struct weston_seat *seat = weston_wm_pick_seat(wm);
xcb_get_property_cookie_t cookie;
xcb_get_property_reply_t *reply;
xcb_atom_t *value;
char **p;
uint32_t i;
cookie = xcb_get_property(wm->conn,
1, /* delete */
wm->selection_window,
wm->atom.wl_selection,
XCB_GET_PROPERTY_TYPE_ANY,
0, /* offset */
4096 /* length */);
reply = xcb_get_property_reply(wm->conn, cookie, NULL);
if (reply == NULL)
return;
dump_property(wm, wm->atom.wl_selection, reply);
if (reply->type != XCB_ATOM_ATOM) {
free(reply);
return;
}
source = zalloc(sizeof *source);
if (source == NULL) {
free(reply);
return;
}
wl_signal_init(&source->base.destroy_signal);
source->base.accept = data_source_accept;
source->base.send = data_source_send;
source->base.cancel = data_source_cancel;
source->wm = wm;
wl_array_init(&source->base.mime_types);
value = xcb_get_property_value(reply);
for (i = 0; i < reply->value_len; i++) {
if (value[i] == wm->atom.utf8_string) {
p = wl_array_add(&source->base.mime_types, sizeof *p);
if (p)
*p = strdup("text/plain;charset=utf-8");
}
}
compositor = wm->server->compositor;
weston_seat_set_selection(seat, &source->base,
wl_display_next_serial(compositor->wl_display));
free(reply);
}
EAPI int
ecore_x_window_prop_xid_list_get(Ecore_X_Window win,
Ecore_X_Atom atom,
Ecore_X_Atom type,
Ecore_X_ID **xids)
{
xcb_get_property_cookie_t cookie;
xcb_get_property_reply_t *reply;
int num = -1;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
if (xids) *xids = NULL;
cookie = xcb_get_property_unchecked(_ecore_xcb_conn, 0, win, atom, type,
0, 0x7fffffff);
reply = xcb_get_property_reply(_ecore_xcb_conn, cookie, NULL);
if (!reply) return -1;
if ((reply->type != type) || (reply->format != 32))
num = -1;
else if ((reply->value_len == 0) || (!xcb_get_property_value(reply)))
num = 0;
else
{
Ecore_X_Atom *alst;
void *val;
num = xcb_get_property_value_length(reply);
val = xcb_get_property_value(reply);
alst = malloc(num * sizeof(Ecore_X_ID));
if (alst)
{
int i = 0;
for (i = 0; i < num; i++)
alst[i] = ((unsigned long *)val)[i];
*xids = alst;
}
}
free(reply);
return num;
}
EAPI char *
ecore_x_window_prop_string_get(Ecore_X_Window win,
Ecore_X_Atom type)
{
xcb_get_property_cookie_t cookie;
xcb_get_property_reply_t *reply;
char *str = NULL;
int len = 0;
LOGFN(__FILE__, __LINE__, __FUNCTION__);
CHECK_XCB_CONN;
cookie =
xcb_get_property_unchecked(_ecore_xcb_conn, 0,
win ? win : ((xcb_screen_t *)_ecore_xcb_screen)->root,
type, XCB_GET_PROPERTY_TYPE_ANY, 0, 1000000L);
reply = xcb_get_property_reply(_ecore_xcb_conn, cookie, NULL);
if (!reply) return NULL;
len = ((reply->value_len * reply->format) / 8);
str = (char *)malloc((len + 1) * sizeof(char));
memcpy(str, xcb_get_property_value(reply), len);
str[len] = '\0';
if (reply->type != ECORE_X_ATOM_UTF8_STRING)
{
Ecore_Xcb_Textproperty prop;
int count = 0;
char **list = NULL;
Eina_Bool ret = EINA_FALSE;
prop.value = strdup(str);
prop.nitems = len;
prop.encoding = reply->type;
#ifdef HAVE_ICONV
ret = _ecore_xcb_utf8_textproperty_to_textlist(&prop, &list, &count);
#else
ret = _ecore_xcb_mb_textproperty_to_textlist(&prop, &list, &count);
#endif
if (ret)
{
if (count > 0)
str = strdup(list[0]);
else
str = strdup((char *)prop.value);
if (list) free(list);
}
else
str = strdup((char *)prop.value);
}
free(reply);
return str;
}
/*!
Returns WM_CLIENT_LEADER property for a given window.
*/
xcb_window_t Toplevel::staticWmClientLeader(xcb_window_t w)
{
xcb_connection_t *c = connection();
auto cookie = xcb_get_property_unchecked(c, false, w, atoms->wm_client_leader, XCB_ATOM_WINDOW, 0, 10000);
ScopedCPointer<xcb_get_property_reply_t> prop(xcb_get_property_reply(c, cookie, nullptr));
if (prop.isNull() || prop->value_len <= 0) {
return w;
}
return static_cast<xcb_window_t*>(xcb_get_property_value(prop.data()))[0];
}
/* window_get_state {{{
*/
uint32_t
window_get_state(xcb_get_property_cookie_t cookie)
{
xcb_get_property_reply_t *reply =
xcb_get_property_reply(rootconf.connection, cookie, NULL);
if(reply)
if(xcb_get_property_value_length(reply))
return *(uint32_t *) xcb_get_property_value(reply);
return 0;
} /* }}} */
/** Update leader hint of a client.
* \param c The client.
* \param cookie Cookie returned by property_get_wm_client_leader.
*/
void
property_update_wm_client_leader(client_t *c, xcb_get_property_cookie_t cookie)
{
xcb_get_property_reply_t *reply;
void *data;
reply = xcb_get_property_reply(globalconf.connection, cookie, NULL);
if(reply && reply->value_len && (data = xcb_get_property_value(reply)))
c->leader_window = *(xcb_window_t *) data;
p_delete(&reply);
}
void Client::updateLeader(xcb_connection_t* conn, xcb_get_property_cookie_t cookie)
{
AutoPointer<xcb_get_property_reply_t> leader(xcb_get_property_reply(conn, cookie, 0));
if (!leader || leader->type != XCB_ATOM_WINDOW || leader->format != 32 || !leader->length) {
mGroup = ClientGroup::clientGroup(mWindow);
mGroup->add(this);
return;
}
const xcb_window_t win = *static_cast<xcb_window_t *>(xcb_get_property_value(leader));
mGroup = ClientGroup::clientGroup(win);
mGroup->add(this);
}
//_______________________________________________________
bool ShadowHelper::checkSupported( void ) const
{
// create atom
#if MENDA_HAVE_X11
// make sure we are on X11
if( !Helper::isX11() ) return false;
// create atom
xcb_atom_t netSupportedAtom( _helper.createAtom( "_NET_SUPPORTED" ) );
if( !netSupportedAtom ) return false;
// store connection locally
xcb_connection_t* connection( Helper::connection() );
// get property
const quint32 maxLength = std::string().max_size();
xcb_get_property_cookie_t cookie( xcb_get_property( connection, 0, QX11Info::appRootWindow(), netSupportedAtom, XCB_ATOM_ATOM, 0, (maxLength+3) / 4 ) );
ScopedPointer<xcb_get_property_reply_t> reply( xcb_get_property_reply( connection, cookie, nullptr ) );
if( !reply ) return false;
// get reply length and data
const int count( xcb_get_property_value_length( reply.data() )/sizeof( xcb_atom_t ) );
xcb_atom_t *atoms = reinterpret_cast<xcb_atom_t*>( xcb_get_property_value( reply.data() ) );
bool found( false );
for( int i = 0; i < count && !found; ++i )
{
// get atom name and print
xcb_atom_t atom( atoms[i] );
xcb_get_atom_name_cookie_t cookie( xcb_get_atom_name( connection, atom ) );
ScopedPointer<xcb_get_atom_name_reply_t> reply( xcb_get_atom_name_reply( connection, cookie, 0 ) );
if( !reply ) continue;
// get name and compare
const QString name( QByteArray( xcb_get_atom_name_name( reply.data() ), xcb_get_atom_name_name_length( reply.data() ) ) );
if( strcmp( netWMShadowAtomName, xcb_get_atom_name_name( reply.data() ) ) == 0 ) found = true;
}
return found;
#else
return false;
#endif
}
// retrieve a text property from a window
// technically we could use window_get_prop(), but this is better for character set support
char* window_get_text_prop ( xcb_window_t w, xcb_atom_t atom )
{
xcb_get_property_cookie_t c = xcb_get_property ( xcb->connection, 0, w, atom, XCB_GET_PROPERTY_TYPE_ANY, 0, UINT_MAX );
xcb_get_property_reply_t *r = xcb_get_property_reply ( xcb->connection, c, NULL );
if ( r ) {
if ( xcb_get_property_value_length ( r ) > 0 ) {
char *str = NULL;
if ( r->type == netatoms[UTF8_STRING] ) {
str = g_strndup ( xcb_get_property_value ( r ), xcb_get_property_value_length ( r ) );
}
else if ( r->type == netatoms[STRING] ) {
str = rofi_latin_to_utf8_strdup ( xcb_get_property_value ( r ), xcb_get_property_value_length ( r ) );
}
else {
str = g_strdup ( "Invalid encoding." );
}
free ( r );
return str;
}
free ( r );
}
return NULL;
}
/**
* Get a window string property.
* @param window The window
* @param type The property
*
* Return window string property of a window. String must be free'd when done.
*
* To use this function, you must call before, and in order,
* ecore_x_window_prop_string_get_prefetch(), which sends the GetProperty request,
* then ecore_x_window_prop_string_get_fetch(), which gets the reply.
*/
EAPI char *
ecore_x_window_prop_string_get(Ecore_X_Window window __UNUSED__,
Ecore_X_Atom type __UNUSED__)
{
xcb_get_property_reply_t *reply;
char *str = NULL;
reply = _ecore_xcb_reply_get();
if (!reply)
return NULL;
if (reply->type == ECORE_X_ATOM_UTF8_STRING)
{
int length;
length = reply->value_len;
str = (char *)malloc(length + 1);
memcpy(str,
xcb_get_property_value(reply),
length);
str[length] = '\0';
}
else
{
/* FIXME: to be done... */
/* #ifdef X_HAVE_UTF8_STRING */
/* s = Xutf8TextPropertyToTextList(_ecore_xcb_conn, &xtp, */
/* &list, &items); */
/* #else */
/* s = XmbTextPropertyToTextList(_ecore_xcb_conn, &xtp, */
/* &list, &items); */
/* #endif */
/* if ((s == XLocaleNotSupported) || */
/* (s == XNoMemory) || (s == XConverterNotFound)) */
/* { */
/* str = strdup((char *)xtp.value); */
/* } */
/* else if ((s >= Success) && (items > 0)) */
/* { */
/* str = strdup(list[0]); */
/* } */
/* if (list) */
/* XFreeStringList(list); */
}
return str;
} /* ecore_x_window_prop_string_get */
/** Get the opacity of a window.
* \param cookie A cookie for a reply to a get property request for _NET_WM_WINDOW_OPACITY.
* \return The opacity, between 0 and 1.
*/
double
xwindow_get_opacity_from_cookie(xcb_get_property_cookie_t cookie)
{
xcb_get_property_reply_t *prop_r =
xcb_get_property_reply(globalconf.connection, cookie, NULL);
if(prop_r && prop_r->value_len && prop_r->format == 32)
{
uint32_t value = *(uint32_t *) xcb_get_property_value(prop_r);
p_delete(&prop_r);
return (double) value / (double) 0xffffffff;
}
p_delete(&prop_r);
return -1;
}